Perhaps you should try some spelling variations:
data communication » data communications
information 4.7.1 » information 4.1.1, information 4.3.3, information 4.1
des developpement » des developpements, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technologies 2 » technologies _, technologies 4
4.7.1 does » 6.7.1 does, 14.3.1 does, 2.3.1 does
does data » does cat
media des » media das, media der, media modes

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 4.7.1 does data communication media des developpement en afrique.*.